208796840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{347}}^1$

素因数の和:679

約数の個数: 96

約数和(自身を含む): 549853920

約数和(自身を除く): 341057080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 307, 347, 392, 490, 614, 694, 980, 1228, 1388, 1535, 1735, 1960, 2149, 2429, 2456, 2776, 3070, 3470, 4298, 4858, 6140, 6940, 8596, 9716, 10745, 12145, 12280, 13880, 15043, 17003, 17192, 19432, 21490, 24290, 30086, 34006, 42980, 48580, 60172, 68012, 75215, 85015, 85960, 97160, 106529, 120344, 136024, 150430, 170030, 213058, 300860, 340060, 426116, 532645, 601720, 680120, 745703, 852232, 1065290, 1491406, 2130580, 2982812, 3728515, 4261160, 5219921, 5965624, 7457030, 10439842, 14914060, 20879684, 26099605, 29828120, 41759368, 52199210, 104398420, 208796840]

約数ペア:

[(1, 208796840), (2, 104398420), (4, 52199210), (5, 41759368), (7, 29828120), (8, 26099605), (10, 20879684), (14, 14914060), (20, 10439842), (28, 7457030), (35, 5965624), (40, 5219921), (49, 4261160), (56, 3728515), (70, 2982812), (98, 2130580), (140, 1491406), (196, 1065290), (245, 852232), (280, 745703), (307, 680120), (347, 601720), (392, 532645), (490, 426116), (614, 340060), (694, 300860), (980, 213058), (1228, 170030), (1388, 150430), (1535, 136024), (1735, 120344), (1960, 106529), (2149, 97160), (2429, 85960), (2456, 85015), (2776, 75215), (3070, 68012), (3470, 60172), (4298, 48580), (4858, 42980), (6140, 34006), (6940, 30086), (8596, 24290), (9716, 21490), (10745, 19432), (12145, 17192), (12280, 17003), (13880, 15043)]